sales@libertymachinery.com
sales@libertymachinery.com
Cincinnati Centerless Grinder
Serial No. 350520H84-0019
New – 1985
SPECIFICATIONS:
Grinding Diameter – Maximum…………6″
Standard Thru Feed and Infeed Work Rest…………1/2″ – 3″
Grinding Wheel – Hole…………12″
Grinding Wheel – Maximum Diameter…………24″
Grinding Wheel – Minimum Diameter…………17″
Grinding Wheel – Width…………Up to 20″
Regulating Wheel – Hole…………6″
Regulating Wheel – Maximum Diameter…………14″
Regulating Wheel – Minimum Diameter…………10-1/2″
Regulating Wheel – Width…………Up to 20″
Regulating Wheel Speeds – Low Range…………12 – 56 RPM
Regulating Wheel Speeds – High Range…………56 – 300 RPM
Grinding Wheel Drive…………40HP
Regulating Wheel Drive…………2 HP
Hydraulic Pump Cincinnati centerless grinder…………1 HP
Speed Changes…………Var. Pitch Sheaves and Gear Shift
Actual Dimensions…………170″L X 80″W X 95″H
Approximate Weight…………18,900 Lbs.
Grinding Wheel Spindle:
Cartridge Type Spindle includes Filmatic Bearings which are Self Adjusting for
variations in load. Automatic Circulating Lubrication under pressure.
Regulating Wheel Spindle with Outboard Support:
Two Piece Bronze Bearing each side of Wheel, Plus Rear Support Bearing and
Anti-Friction Thrust Bearing on End. Automatic Pressure Lubrication.
Cincinnati Centerless Grinder 340-20 EQUIPPED WITH:
AirTronics Inchworm Precision Two-Way Actuator System Min increment 0.00001″
Current Transformer (Load Meter)
Sub Panel (Load Meter)
Inchworm Compensator
Pushbutton Station (Inchworm)
Booster Assembly (Compensator)
Automatic Grinding Wheel Truing with Automatic Diamond Advance
Power Profile Regulating Wheel Truing
Heidenhain Digital Read-Out 3-Axis with Glass Scales (Resolution on upper
slide reads to 0.000000″ lower slide reads to 0.00000″ and base slide taper
adjust reads to 0.0000″
20″ Thru Feed Work Rest
Trabon Auto Lubricating to Machine Slides, Truing Attachments and CAM Follower
*Preliminary Specifications, Subject to Verification.
A Cincinnati centerless grinder is a precision machining process widely used in manufacturing industries. It involves removing material from a workpiece without the need for center holes or support. In this method, a regulating wheel controls the rotational speed and feed rate of the workpiece, while a grinding wheel grinds it to the desired shape and size. The workpiece is supported by a blade and positioned between the grinding and regulating wheels. As the wheels rotate, the grinding wheel removes material through abrasion, resulting in high precision and surface finish. Grinding with a Cincinnati centerless grinder offers advantages like efficient material removal, improved productivity, and the ability to grind long, slender workpieces with tight tolerances.
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